* Dates of notification of succession to the Convention by Bosnia-Herzegovina, Croatia and Slovenia. The former Socialist Federal Republic of Yugoslavia deposited an instrument of accession to the Convention on 9 August 1977.

Notes:

The Republic of China signed the Convention on October 27, 1973. Effective January 1, 1979, the United States recognized the People's Republic of China as the sole legal governement of China.

The Czechoslovak Socialist Republic (Czechoslovakia) signed the Convention on December 30, 1974. On December 31, 1992, at midnight, Czechoslovakia ceased to exist and was succeeded by two separate and independent States, the Czech Republic and the Slovak Republic.